/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDJointConstraintUtilities.h
static void GetSphericalAxisDelta ( const [FVec3](API\Runtime\ChaosCore\Chaos\FVec3) & X0, const [FVec3](API\Runtime\ChaosCore\Chaos\FVec3) & X1, [FVec3](API\Runtime\ChaosCore\Chaos\FVec3) & Axis, [FReal](API\Runtime\ChaosCore\Chaos\FReal) & Delta )